Toothbrush head



FIG. 1 is a perspective view of a toothbrush head from above, showing our design;

FIG. 2 is a rear view of the appliance thereof;

FIG. 3 is a left side view of the appliance thereof

FIG. 4 is a front side view of the appliance thereof;

FIG. 5 is a right side view of the appliance thereof;

FIG. 6 is a top plan view of the appliance thereof; and,

FIG. 7 is a bottom plan view. 

The ornamental design for a toothbrush head, as shown and described. 